21728516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6029}}^1$

素因数の和:6103

約数の個数: 24

約数和(自身を含む): 41028120

約数和(自身を除く): 19299604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 6029, 12058, 24116, 102493, 204986, 319537, 409972, 639074, 1278148, 5432129, 10864258, 21728516]

約数ペア:

[(1, 21728516), (2, 10864258), (4, 5432129), (17, 1278148), (34, 639074), (53, 409972), (68, 319537), (106, 204986), (212, 102493), (901, 24116), (1802, 12058), (3604, 6029)]